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Home › Oldsmobile › 1990 › Cutlass Calais Base, 4D Sedan, Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - Basic Testing - 2.5L/151"" TBI In-Line 4 VIN [U] › Computerized Engine Control System › Diagnostic Circuit Check (Start Diag. Here) › Notes

Diagnostic Circuit Check (Start Diag. Here): Notes

NOTE: See Figure for the Diagnostic Circuit Check (flow chart).

NOTE: See Figure for the accompanying wiring diagram.